GB/T 9487-2008
ActiveDiesel engines - Exhaust gas measurement under free acceleration
柴油机自由加速排气烟度的测量方法
Application Summary AI generated
This standard specifies the method for measuring the smoke opacity of diesel engine exhaust during free acceleration, where the engine is rapidly accelerated from idle to maximum no-load speed. It is primarily applied in China for type approval, production consistency checks, and in-service vehicle inspections to regulate particulate emissions from diesel engines used in road vehicles, construction machinery, and agricultural equipment.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.